1990 Mazda 929 Repair and Maintenance
A guide to problems, costs, maintenance and repair for your 1990 Mazda 929
Verified by mechanics, reported by drivers like you
1990 Mazda 929 Problems
If a rumbling noise is heard from the engine, along with a possible loss in power, it may be caused by a collapsed hydraulic timing belt tensioner creating excessive cam backlash. Our technicians recommend replacing the timing belt and water pump at the same time, if they have not been recently replaced.